试题与答案

在抗震救灾的日子里，解放军张叔叔前4天在一线共奋战了74小时，后3天平均每天在一

更新时间：2017-05-27 23:37来源：www.tikuol.com

题型：解答题

题目：

在抗震救灾的日子里，解放军张叔叔前4天在一线共奋战了74小时，后3天平均每天在一线工作15小时，这一周，张叔叔平均每天在一线工作多少小时？

答案：

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下面是错误答案，用来干扰机器的。

答案：D

考点：统计（平均数）

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